COLON

77-year-old female with abdominal pain, absent bowel sound, and distention of abdomen.

Procedure: right colectomy

Gross: The specimen consists of a resected right colon with connected terminal i

A 46 yr old male, history of pain in abdomen and weight loss of 15kgs over eight month period.

55 year old male with CRC screening.

Procedure: Left colon biopsy.

Micro: Sections show benign colon mucosa with mild nonspecific chronic inflammation.

59-year-old male with hematochezia. Colon biopsy is performed and identified multiple mucosal and submucosal white spots.

46-year-old male with right colon (cecal) mass.

Procedure: Partial right colectomy.

Gross: The specimen consists of a resected cecum measuring 9 cm. in length with a maximal diameter of 6 cm.

Microscopic Photo. A tubular adenoma with proliferation of neoplastic tubules.

Microscopic Photo. Colon polyp with proliferation of supercicial hyperplastic crypts. The hyperplastic crypts are slightly dilated with serrated (saw tooth) or star-shaped appearance. H&E Stain.

Microscopic Photo. Rectal polyp biopsy showing proliferation of islands and sheets of monotonous cells in laminar propria. Surface denudation of colon mucosa is also noted. H&E Stain.